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22013102220 = 2235366885037
BaseRepresentation
bin10100100000000101…
…010100100010001100
32002211010112110100020
4110200011110202030
5330040323232340
614040201102140
71406335165404
oct244005244214
962733473306
1022013102220
11937690556a
124324187950
1320ca78b895
1410cb7d1804
1588c86a9d0
hex52015488c

22013102220 has 24 divisors (see below), whose sum is σ = 61636686384. Its totient is φ = 5870160576.

The previous prime is 22013102197. The next prime is 22013102227. The reversal of 22013102220 is 2220131022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22013102220.

It is not an unprimeable number, because it can be changed into a prime (22013102227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183442459 + ... + 183442578.

It is an arithmetic number, because the mean of its divisors is an integer number (2568195266).

Almost surely, 222013102220 is an apocalyptic number.

22013102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22013102220 is an abundant number, since it is smaller than the sum of its proper divisors (39623584164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22013102220 is a wasteful number, since it uses less digits than its factorization.

22013102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366885049 (or 366885047 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22013102220 its reverse (2220131022), we get a palindrome (24233233242).

The spelling of 22013102220 in words is "twenty-two billion, thirteen million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 366885037 733770074 1100655111 1467540148 1834425185 2201310222 3668850370 4402620444 5503275555 7337700740 11006551110 22013102220